even high end quality suspensions cant go that low......
if you really wanna be slammed for cheap cheap. buy some ebay coilovers, take the springs cut them in half and install winded all the way up and work your way from there.
cutting the springs work too but its a one shot kind of thing and dont waste stock springs, what if you wanted to go back to stock after bouncing your a$$ off? lol
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The pic in your sig will do just fine.Remember im only riding on 13's.